PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To differentiate between fractures and other causes of skipping, a number of different logging tool designs and presentations of sonic data have been developed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • spec2000.net